Create Asset Model interface

[aftabkajal]

I'm submitting a...

[ ] Bug report  
[ ] Performance issue
[x] Feature request
[ ] Documentation issue or request
[ ] Other... Please describe:

Current behavior

currently there is no user interface for asset model interface.

Expected behavior

there should be an user interface to add an asset model.

[aftabkajal]

Asset Model user interface added. now need to modification every page & and method accordingly snipe IT app